Man dies when box truck overturns on Interstate 8 in Mission Valley

A man was killed early Thursday morning in Mission Valley when the box truck he was driving overturned on Interstate 8 and he was thrown from the car.

The California Highway Patrol reported that the accident occurred shortly before 3 a.m. on the westbound freeway at Hotel Circle North.

The victim, who was said to be in his thirties or forties, was pronounced dead at the scene.

While the CHP investigated the accident, all westbound lanes of the highway were closed.

City News Service and OnScene.TV contributed to this article.